/******************************************************************************/
/*  This file is part of the Skomer Island firmware for the MSP430F1612       */
/******************************************************************************/
/*                                                                            */
/*  1-Wire support code, based on a public domain library by Dallas           */
/*                                                                            */
/******************************************************************************/

//---------------------------------------------------------------------------
// Copyright (C) 1999 Dallas Semiconductor Corporation, All Rights Reserved.
//
// Permission is hereby granted, free of charge, to any person obtaining a
// copy of this software and associated documentation files (the "Software"),
// to deal in the Software without restriction, including without limitation
// the rights to use, copy, modify, merge, publish, distribute, sublicense,
// and/or sell copies of the Software, and to permit persons to whom the
// Software is furnished to do so, subject to the following conditions:
//
// The above copyright notice and this permission notice shall be included
// in all copies or substantial portions of the Software.
//
// THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS
// OR IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF
// MERCHANTABILITY,  FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT.
// IN NO EVENT SHALL DALLAS SEMICONDUCTOR BE LIABLE FOR ANY CLAIM, DAMAGES
// OR OTHER LIABILITY, WHETHER IN AN ACTION OF CONTRACT, TORT OR OTHERWISE,
// ARISING FROM, OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR
// OTHER DEALINGS IN THE SOFTWARE.
//
// Except as contained in this notice, the name of Dallas Semiconductor
// shall not be used except as stated in the Dallas Semiconductor
// Branding Policy.
//---------------------------------------------------------------------------
//
//  to do ses.C - Acquire and release a Session Todo for general 1-Wire Net
//              library
//
//  Version: 2.00
//           1.03 -> 2.00  Changed 'MLan' to 'ow'. Added support for
//                         multiple ports.
//

#include "OW_wrapper.h"

// local function prototypes
SMALLINT owAcquire(int,char *);
void     owRelease(int);

//---------------------------------------------------------------------------
// Attempt to acquire a 1-Wire net
//
// 'portnum'    - number 0 to MAX_PORTNUM-1.  This number is provided to
//                indicate the symbolic port number.
// 'port_zstr'  - zero terminated port name.
//				  port name is not used with WASP
//
// Returns: TRUE - success, port opened
//
SMALLINT owAcquire(int portnum, char *port_zstr)
{
	if (portnum == OW_BUS) {
		OW_BUS_SETUP;

		/**
		 * TimerB is used for precise timing during the 1-wire communication
		 * 
		 * Timer_B is configured in the continous mode.
		 * It will be clocked via the SMCLK (supplied by the XT2: External 7.372 MHz)
		 * 
		 * change for the SoftwareUart via TimerB is required.
		 * TimerB has to be enabled at all times.
		 * the control over TimerB will be removed from here.
		 */
		
		return TRUE;
	}


	//invalid port number
	return 0;
}

//---------------------------------------------------------------------------
// Release the previously acquired a 1-Wire net.
//
// 'portnum'    - number 0 to MAX_PORTNUM-1.  This number is provided to
//                indicate the symbolic port number.
//
void owRelease(int portnum)
{
	//TimerB management was removed from here due to SoftwareUart implementation via TimerB
	//TBCTL = MC_STOP;
	//TBCCTL0 = 0x00;
}


